#ifndef ROOT_TAxis
#define ROOT_TAxis

//+SEQ,CopyRight,T=NOINCLUDE.

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TAxis                                                                //
//                                                                      //
// Axis class.                                                          //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#ifndef ROOT_TNamed
//*KEEP,TNamed.
#include "TNamed.h"
//*KEND.
#endif
#ifndef ROOT_TAttAxis
//*KEEP,TAttAxis.
#include "TAttAxis.h"
//*KEND.
#endif
#ifndef ROOT_TArrayF
//*KEEP,TArrayF.
#include "TArrayF.h"
//*KEND.
#endif


class TAxis : public TNamed, public TAttAxis {

private:
        Int_t        fNbins;          //Number of bins
        Axis_t       fXmin;           //low edge of first bin
        Axis_t       fXmax;           //upper edge of last bin
        TArrayF      fXbins;          //Bin edges array in X
        Char_t       *fXlabels;       //!Labels associated to axis
        Int_t        fFirst;          //first bin to display
        Int_t        fLast;           //last bin to display
        TString      fTimeFormat;     //Date&time format, ex: 09/12/99 12:34:00
        Bool_t       fTimeDisplay;    //on/off displaying time values instead of numerics
        TObject     *fParent;         //Object owning this axis

public:
        TAxis();
        TAxis(Int_t nbins, Axis_t xmin, Axis_t xmax);
        TAxis(Int_t nbins, Axis_t *xbins);
        TAxis(const TAxis &axis);
        virtual ~TAxis();
        virtual void    CenterTitle(Bool_t center=kTRUE);  //*MENU*
        const char      *ChooseTimeFormat(Float_t axislength=0);
        virtual void    Copy(TObject &axis);
        virtual Int_t   DistancetoPrimitive(Int_t px, Int_t py);
        virtual void    Draw(Option_t *option="");
        virtual void    DrawAxis(Coord_t x1, Coord_t y1,Coord_t x2 ,Coord_t y2);
        virtual void    ExecuteEvent(Int_t event, Int_t px, Int_t py);
        virtual Int_t   FindBin(Axis_t x);
        virtual Axis_t  GetBinCenter(Int_t bin);
        virtual Text_t  *GetBinLabel(Int_t bin);
        virtual Axis_t  GetBinLowEdge(Int_t bin);
        virtual Axis_t  GetBinUpEdge(Int_t bin);
        virtual Axis_t  GetBinWidth(Int_t bin);
        virtual void    GetCenter(Axis_t *center);
        virtual void    GetLabel(Text_t *label);
        virtual void    GetLowEdge(Axis_t *edge);
                Int_t   GetNbins() const { return fNbins; }
        virtual TObject *GetParent() {return fParent;}
        virtual Bool_t  GetTimeDisplay() {return fTimeDisplay;}
        virtual const char  *GetTimeFormat() const {return fTimeFormat.Data();}
         const Text_t   *GetTitle() const {return fTitle.Data();}
              TArrayF   *GetXbins() {return &fXbins;}
                 Int_t  GetFirst();
                 Int_t  GetLast();
                Axis_t  GetXmin() const {return fXmin;}
                Axis_t  GetXmax() const {return fXmax;}
        virtual void    ls(Option_t *option="");
        virtual void    Paint(Option_t *option="");
        virtual void    PaintAxis(Coord_t x1, Coord_t y1,Coord_t x2 ,Coord_t y2);
        virtual void    Print(Option_t *option="");
        virtual void    Set(Int_t nbins, Axis_t xmin, Axis_t xmax);
        virtual void    Set(Int_t nbins, Axis_t *xbins);
        virtual void    SetBinLabel(Int_t bin, Text_t *label);
        virtual void    SetLabel(const Text_t *label);
        virtual void    SetLimits(Axis_t xmin, Axis_t xmax);
        virtual void    SetParent(TObject *obj) {fParent = obj;}
        virtual void    SetRange(Int_t first=0, Int_t last=0);  //*MENU*
        virtual void    SetTimeDisplay(Int_t value) {fTimeDisplay = value;} //*TOGGLE*
        virtual void    SetTimeFormat(const char *format="");  //*MENU*
        virtual void    UnZoom();  //*MENU*

        ClassDef(TAxis,4)  //Axis class
};

#endif